What causes PMDD?
The exact cause of PMDD is not known. Changes in hormones related to your period may cause PMDD. Stressful life events and a family history of PMS or PMDD may increase your chances of getting PMDD. Major depression is common in women who have PMDD. However, not all women who have PMDD have major depression.
Diagnosis and Treatment of Premenstrual Dysphoric Disorder by Subhash C. Bhatia, M.D., and Shashi K. Bhatia, M.D. (American Family Physician October 01, 2002, http://www.aafp.org/afp/20021001/1239.html)
Written by familydoctor.org editorial staff